Is this engine coolant on my spark plugs? P0300

Cory Gillmore

Hey guys I’ve been getting a P0300 the last couple weeks. It started the first cool morning I left for work after getting back from Z1 where they installed their CAI and upper intake plenum and tuned the car with ecutek.

Today I checked all my spark plugs really just making sure none had come loose and I noticed this green type substance but only on the white part of each plug where the coil pack plugs over it. The plugs weren’t wet on the bottom and I didn’t notice anything in any of the plug wells.

I guess I’m hoping this green **** is some kind of grease that Z1 puts in their coil packs…it’s got Z1 coil packs that I just put on about 3 months ago.

Any thoughts are much appreciated. I’m pretty bummed out with this P0300

Attached Images

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09 S/T 6MT: AAM S-Line catback exhaust Ti tips, Z1 CF CAI, Z1 ported intake plenum, Z1 high energy coil packs, tuned with ECU-Tek @ Z1: 332whp 261ftlbs